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Clay Based Expanding Waterstops

Expandable waterstop  have been used as waterproofing materials for decades. Their primary function is to bind water and swell but to shrink when they release water. However, it is essential to remember that concrete works must be done with high quality, even with expanding waterstops.  

Expandable waterstops are fixed in construction joints with special glue or profiled metal mesh and screws. The clay-based waterstop can be installed in any weather using a profiled mesh. In addition, the mesh fixes the waterstop more firmly in the right place during casting, in which the poured concrete cannot displace the waterstop. Having seen different ways of fastening the expandable waterstop, we recommend using profiled metal mesh to the fullest extent to ensure the most reliable solution.

Expandable waterstop  are ideal for use in construction joints subject to constant moisture or water pressure. A good example is water tanks or other concrete structures in a constantly moist environment. However, their expanding and shrinking nature makes clay tapes not suitable for use in structures that may dry out. This is because the expansion time of the clay tape is 1-1.5 days, which can temporarily cause water to seep through the construction joints.

BESEALED Metal wire mesh (30 m)
52,43 € 0,00 € 52.43 EUR
Metallist paigaldusvõrk vees paisuvatele tihenduslintidele
BESEALED Swelleble paste (piece)
20,45 € 0,00 € 20.45 EUR
Water swellable paste
BESEALED Fixing glue (piece)
13,38 € 0,00 € 13.38 EUR
Fixing glue
BESEALED Bentobar+ 20x25 mm Black (30 m)
142,03 € 0,00 € 142.03 EUR
self-expanding sealing bars
BESEALED Polybar+ RP 20x5 mm Black (50 m)
250,00 € 0,00 € 250.0 EUR
Waterstop for delayed swelling in rain water
BESEALED Connector closing strip 15mm (50 piece)
84,80 € 0,00 € 84.8 EUR
Connector closing strip
BESEALED Sealing UFO 24 mm (100 piece)
103,40 € 0,00 € 103.4 EUR
Formwork spacers seal
BESEALED Sealing Plug 22 mm (100 piece)
108,63 € 0,00 € 108.63 EUR
Formwork spacers